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#pragma once
#include <yt/cpp/mapreduce/interface/io.h>
namespace NYT {
class IProxyOutput;
class TNodeTableWriter;
////////////////////////////////////////////////////////////////////////////////
class TProtoTableWriter
: public IProtoWriterImpl
{
public:
TProtoTableWriter(
THolder<IProxyOutput> output,
TVector<const ::google::protobuf::Descriptor*>&& descriptors);
~TProtoTableWriter() override;
void AddRow(const Message& row, size_t tableIndex) override;
void AddRow(Message&& row, size_t tableIndex) override;
size_t GetBufferMemoryUsage() const override;
size_t GetTableCount() const override;
void FinishTable(size_t) override;
void Abort() override;
private:
THolder<TNodeTableWriter> NodeWriter_;
TVector<const ::google::protobuf::Descriptor*> Descriptors_;
};
////////////////////////////////////////////////////////////////////////////////
class TLenvalProtoTableWriter
: public IProtoWriterImpl
{
public:
TLenvalProtoTableWriter(
THolder<IProxyOutput> output,
TVector<const ::google::protobuf::Descriptor*>&& descriptors);
~TLenvalProtoTableWriter() override;
void AddRow(const Message& row, size_t tableIndex) override;
void AddRow(Message&& row, size_t tableIndex) override;
size_t GetBufferMemoryUsage() const override;
size_t GetTableCount() const override;
void FinishTable(size_t) override;
void Abort() override;
protected:
THolder<IProxyOutput> Output_;
TVector<const ::google::protobuf::Descriptor*> Descriptors_;
};
/// [Deprecated] Create TNode from protobuf message
///
/// @deprecated This function works only in simple cases. On nontrivial messages its interpretation
/// of protobuf messages might significantly differ from YT interpretation.
///
/// This function doesn't support composite types and many attributes supported by protobuf Reader/Writer.
TNode MakeNodeFromMessage(const ::google::protobuf::Message& row);
////////////////////////////////////////////////////////////////////////////////
class TLenvalProtoSingleTableWriter
: public TLenvalProtoTableWriter
{
public:
TLenvalProtoSingleTableWriter(
THolder<IProxyOutput> output,
const ::google::protobuf::Descriptor* descriptor);
~TLenvalProtoSingleTableWriter() override = default;
void AddRow(const Message& row, size_t tableIndex) override;
};
////////////////////////////////////////////////////////////////////////////////
void LenvalEncodeProto(IZeroCopyOutput* output, const ::google::protobuf::Message& message);
////////////////////////////////////////////////////////////////////////////////
} // namespace NYT
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